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Marquise|Lab Grown|IGI

2.77ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG780664010

Certificate IGI LG780664010

Diamond specifications and retailer prices

From $2,795 USD
Save $11,727 USD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $15,875 USD at With Clarity
View at With Clarity

About this 2.77ct lab-grown marquise diamond

This 2.77ct lab-grown marquise sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780664010 or 780664010. Listed at 13 retailers, with a 420% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.77
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780664010
Dimensions14.65 × 7.30 × 4.53 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
14.65 mm7.30 mm2.77 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780664010
Side View
Table 58.0%Crown 36.2°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $6,600 USD|Low: $2,795 USD|High: $15,875 USD|Avg: $8,068 USD|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
October 1, 2026
Retailer 12$2,795 USD
Retailer 11$3,622 USD
Retailer 3$5,036 USD
Retailer 4$5,107 USD
Retailer 7$5,636 USD
Retailer 9$6,430 USD
Retailer 1$6,600 USD
Retailer 10$8,692 USD
Retailer 8$8,938 USD
Retailer 2$10,280 USD
Retailer 13$10,969 USD
Retailer 6$11,926 USD
Retailer 5$14,522 USD
With Clarity$15,875 USD

34 data points across 14 retailers

13 retailers$2,795 USD to $14,522 USD

A
Cheapest Retailer
-
$2,795 USD
A
Retailer 2
-
$3,622 USD
View
B+
Retailer 3
-
$5,036 USD
View
B+
Retailer 4
-
$5,648 USD
£4,448 GBP
View
B+
Retailer 5
-
$6,430 USD
View
B+
Retailer 6
-
$6,600 USD
€6,286 EUR
View
B
Retailer 7
-
$8,692 USD
View
B+
Retailer 8
-
$8,938 USD
£7,038 GBP
View
B
Retailer 9
-
$10,280 USD
View
B
Retailer 10
-
$10,969 USD
View
B
Retailer 11
-
$11,926 USD
A$18,348 AUD
View
B
Retailer 12
-
$14,522 USD
View
Most Expensive
B
With Clarity
780664010 · Aug 7
$15,875 USD
View
Price last confirmed 55 days ago
12 more retailers have this diamond
Prices start from $2,795 USDSave up to $11,727 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing.

A
2.77ct Marquise
$2,795 USD